Listar GI-GAC - Artigos por autor "Doallo, Ramón"

Mostrando ítems 1-20 de 62

    • A cloud-based enhanced differential evolution algorithm for parameter estimation problems in computational systems biology 

      Teijeiro, Diego; Pardo, Xoán C.; Penas, David R.; González, Patricia; Banga, Julio R.; Doallo, Ramón (Springer New York LLC, 2017)
      [Abstract] Metaheuristics are gaining increasing recognition in many research areas, computational systems biology among them. Recent advances in metaheuristics can be helpful in locating the vicinity of the global solution ...

    • A Fast Solver for Large Tridiagonal Systems on Multi-Core Processors (Lass Library) 

      Valero-Lara, Pedro; Andrade, Diego; Sirvent, Raül; Labarta, Jesús; Fraguela, Basilio B.; Doallo, Ramón (Institute of Electrical and Electronics Engineers, 2019)
      [Abstract]: Many problems of industrial and scientific interest require the solving of tridiagonal linear systems. This paper presents several implementations for the parallel solving of large tridiagonal systems on ...

    • A GIS-Embedded System to Support Land Consolidation Plans in Galicia. 

      Touriño, Juan; Parapar López, Jorge; Doallo, Ramón; Boullón, Marcos; Rivera, Francisco F.; Bruguera, Javier D. (Taylor & Francis, 2003-06)
      [Abstract] Land consolidation is a strategic instrument for rural planning and thus economic development in the Spanish region of Galicia. This paper describes an experimental system embedded in a GIS environment to aid ...

    • A middleware architecture for distributed systems management 

      Salceda, Jesús; Díaz, Iván; Touriño, Juan; Doallo, Ramón (Academic Press, 2004-06)
      [Abstract] This paper presents a middleware solution for global management of any kind of distributed system, such as networks of PCs/workstations, clusters or server farms. Our approach lies in an object-oriented software ...

    • A multi-GPU shallow-water simulation with transport of contaminants 

      Viñas Buceta, Moisés; Lobeiras Blanco, Jacobo; Fraguela, Basilio B.; Arenaz Silva, Manuel; Amor, Margarita; García Rodríguez, José Antonio; Castro, M.J.; Doallo, Ramón (Wiley, 2012)
      [Abstract] This work presents cost-effective multi-graphics processing unit (GPU) parallel implementations of a finite-volume numerical scheme for solving pollutant transport problems in bidimensional domains. The fluid ...

    • A New Spatial Criteria Method to Delimit Rural Settlements towards Boundaries Equity: Land Use Optimization for Decision Making in Galicia, NW Spain 

      Barbosa Brandão, Vasco; Santé, Inés; Crecente, Rafael; Díaz Redondo, Carlos; Porta, Juan; Parapar López, Jorge; Doallo, Ramón; Ferreira Neto, José Ambrósio (MDPI, 2022)
      [Abstract] Rural settlements (RS) are a reality of rural areas. They consist of cluster of buildings and ways of life mainly associated with activities related to agriculture. As economic policies applied in rural development ...

    • A parallel metaheuristic for large mixed-integer dynamic optimization problems, with applications in computational biology 

      Penas, David R.; Henriques, David; González, Patricia; Doallo, Ramón; Saez-Rodriguez, Julio; Banga, Julio R. (Public Library of Science, 2017)
      [Abstract] Background: We consider a general class of global optimization problems dealing with nonlinear dynamic models. Although this class is relevant to many areas of science and engineering, here we are interested ...

    • A population-based iterated greedy algorithm for the delimitation and zoning of rural settlements 

      Porta, Juan; Parapar López, Jorge; Doallo, Ramón; Barbosa Brandão, Vasco; Santé, Inés; Crecente, Rafael (Pergamon Press, 2013)
      [Abstract] In this paper we present a Population-Based Iterated Greedy (PBIG) algorithm for delimiting and zoning rural settlements. Each cadastral plots is allocated to a category (traditional–historical, common or none) ...

    • A simulated annealing algorithm for zoning in planning using parallel computing 

      Santé, Inés; Fernández Rivera, Francisco; Crecente, Rafael; Boullón, Marcos; Suárez, Marcos; Porta, Juan; Parapar López, Jorge; Doallo, Ramón (Pergamon Press, 2016)
      [Abstract] There is an increasing demand for tools that support land use planning processes, particularly the design of zoning maps, which is one of the most complex tasks in the field. In this task, different land use ...

    • An automatic optimizer for heterogeneous devices 

      Fernández-Fabeiro, Jorge; Andrade, Diego; Fraguela, Basilio B.; Doallo, Ramón (Elsevier, 2020-05)
      [Abstract]: Codes written in a naive way seldom effectively exploit the computing resources, while writing optimized codes is usually a complex task that requires certain levels of expertise. This problem is further increased ...

    • An Efficient Ant Colony Optimization Framework for HPC Environments 

      González, Patricia; Osorio, Roberto; Pardo, Xoán C.; Banga, Julio R.; Doallo, Ramón (Elsevier, 2022)
      [Abstract] Combinatorial optimization problems arise in many disciplines, both in the basic sciences and in applied fields such as engineering and economics. One of the most popular combinatorial optimization methods is ...

    • Analysis of I/O Performance on an Amazon EC2 Cluster Compute and High I/O Platform 

      Expósito, Roberto R.; Taboada, Guillermo L.; Ramos Garea, Sabela; González-Domínguez, Jorge; Touriño, Juan; Doallo, Ramón (Springer Netherlands, 2013-12)
      [Abstract] Cloud computing is currently being explored by the scientific community to assess its suitability for High Performance Computing (HPC) environments. In this novel paradigm, compute and storage resources, as well ...

    • Automated and accurate cache behavior analysis for codes with irregular access patterns 

      Andrade, Diego; Arenaz Silva, Manuel; Fraguela, Basilio B.; Touriño, Juan; Doallo, Ramón (John Wiley & Sons Ltd., 2007-04-03)
      [Abstract] The memory hierarchy plays an essential role in the performance of current computers, so good analysis tools that help in predicting and understanding its behavior are required. Analytical modeling is the ideal ...

    • Big Data Geospatial Processing for Massive Aerial LiDAR Datasets 

      Deibe, David; Amor, Margarita; Doallo, Ramón (M D P I AG, 2020-02-21)
      [Abstract] For years, Light Detection and Ranging (LiDAR) technology has been considered as a challenge when it comes to developing efficient software to handle the extremely large volumes of data this surveying method is ...

    • Big Data Geospatial Processing for Massive Aerial LiDAR Datasets 

      Deibe, David; Amor, Margarita; Doallo, Ramón (MDPI AG, 2020-02-21)
      [Abstract] For years, Light Detection and Ranging (LiDAR) technology has been considered as a challenge when it comes to developing efficient software to handle the extremely large volumes of data this surveying method is ...

    • BPLG–BMCS: GPU-sorting algorithm using a tuning skeleton library 

      Pérez Diéguez, Adrián; Amor, Margarita; Doallo, Ramón (Springer New York LLC, 2017)
      [Abstract] In this work, we present an efficient and portable sorting operator for GPUs. Specifically, we propose an algorithmic variant of the bitonic merge sort which reduces the number of processing stages and internal ...

    • Compiler-Assisted Checkpointing of Parallel Codes: The Cetus and LLVM Experience 

      Rodríguez, Gabriel; Martín, María J.; González, Patricia; Touriño, Juan; Doallo, Ramón (Springer New York LLC, 2013)
      [Abstract] With the evolution of high-performance computing, parallel applications have developed an increasing necessity for fault tolerance, most commonly provided by checkpoint and restart techniques. Checkpointing tools ...

    • CPPC: a compiler‐assisted tool for portable checkpointing of message‐passing applications 

      Rodríguez, Gabriel; Martín, María J.; González, Patricia; Touriño, Juan; Doallo, Ramón (John Wiley & Sons Ltd., 2010-11-19)
      [Abstract] With the evolution of high‐performance computing toward heterogeneous, massively parallel systems, parallel applications have developed new checkpoint and restart necessities. Whether due to a failure in the ...

    • Design and Implementation of an extended collectives library for unified Parallel C 

      Teijeiro Barjas, Carlos; Taboada, Guillermo L.; Touriño, Juan; Doallo, Ramón; Mouriño, José C.; Mallón, Damián A.; Wibecan, Brian (Springer New York LLC, 2013)
      [Abstract] Unified Parallel C (UPC) is a parallel extension of ANSI C based on the Partitioned Global Address Space (PGAS) programming model, which provides a shared memory view that simplifies code development while it ...

    • Design of efficient Java message-passing collectives on multi-core clusters 

      Taboada, Guillermo L.; Ramos Garea, Sabela; Touriño, Juan; Doallo, Ramón (Springer New York LLC, 2011-02)
      [Abstract] This paper presents a scalable and efficient Message-Passing in Java (MPJ) collective communication library for parallel computing on multi-core architectures. The continuous increase in the number of cores per ...